add 45

Author: Ashwagandha-coder

contest/src/main/java/com/github/contest/dp/DpLeetcode.kt

@@ -597,6 +597,31 @@ fun canJump(nums: IntArray): Boolean {
     return true
 }
 
+/**
+ * 45. Jump Game II
+ */
+
+fun jump(nums: IntArray): Int {
+    var jumps = 0
+    var currentEnd = 0
+    var farthest = 0
+
+    for (i in 0 until nums.size - 1) {
+        farthest = maxOf(farthest, i + nums[i])
+
+        if (i == currentEnd) {
+            jumps++
+            currentEnd = farthest
+
+            if (currentEnd >= nums.size - 1) {
+                break
+            }
+        }
+    }
+
+    return jumps
+}
+